Federal NAICS Codes

NAICS 562991: Septic Tank and Related Services

Explore obligations, trends, recent awards, and incumbent contractors for NAICS 562991.

NAICS 562991 federal market metrics

Total obligations
$1.2B
Total awards
37,365 awards
Active obligations
$76.2M
Size standard
$9,000,000 receipts

What this NAICS covers

NAICS 562991 covers septic tank and related services such as pumping, cleaning, desludging, septage hauling and lawful disposal, routine system inspections, grease and scum removal, and records of service and waste handling.

Federal opportunities under 562991 typically involve routine and emergency septic pumping, scheduled maintenance contracts, mandated waste transport and disposal services, documentation of hygienic procedures, and compliance with environmental handling and reporting requirements at federal sites.

FY2025 snapshot

Obligations
$96.9M
Awards
2,277
Average award
$42.6K
Change from FY2024
+0%

Recent awards

Search contractors

$131,636

LOTUSUSA, INC.

US Secret Service

PIID
70US0926P70092803
PSC
S222 - HOUSEKEEPING- WASTE TREATMENT/STORAGE

$5,775

J RANCK ELECTRIC INC

US Fish and Wildlife Service

PIID
140FS226P0235
PSC
Z2ND - REPAIR OR ALTERATION OF SEWAGE AND WASTE FACILITIES

$63,289

Suntiff, LLC

US Customs and Border Protection

PIID
70B03C26P00000205
PSC
W085 - LEASE OR RENTAL OF EQUIPMENT- TOILETRIES

FAQ

What work fits NAICS 562991?
  • Scheduled septic tank pumping and desludging using vacuum trucks with transport of septage and delivery receipts to permitted disposal points.
  • Routine on-site inspection and effluent filter cleaning with documented tank-level measurements, photographic condition reports, and maintenance records.
  • Emergency response to septic backups with vacuum extraction, temporary bypass pumping, and containment pending repair by licensed installers.
  • Periodic maintenance contracts that include dosing chamber checks, odor control treatments, service-interval recordkeeping, and disposition documentation for removed wastes.
When is NAICS 562991 a weak fit?
  • Septic system design and installation - involves site engineering, excavation, and construction activities absent from service-only pumping and maintenance operations.
  • Wastewater treatment plant operations and sludge processing - covers municipal treatment and biosolids management beyond on-site septic tank service.
  • Hazardous waste remediation or regulated hazardous-material disposal - requires specialized hazardous handling protocols and manifests beyond domestic septic septage service.
What solicitation language points to NAICS 562991?
  • Contract line items specify vacuum truck capability, service frequency, and requirement for manifests and disposal facility receipts upon delivery of septage.
  • Performance requirements call for confined-space entry training, respirator fit certification, and documented procedures for pumping, dewatering, and spill containment.
  • Acceptance criteria include measured residual sludge depth, photographic evidence of cleaning, and required turnaround time benchmarks for emergency response calls.

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